go back to gradebook/tests

src/main/java/io/zipcoder/Classroom.java

@@ -1,4 +1,68 @@
 package io.zipcoder;
 
+import java.util.*;
+
 public class Classroom {
+
+    Student[] students;
+    int studentLimit;
+
+    public Classroom(int studentLimit){
+        students = new Student[studentLimit];
+    }
+
+    public Classroom(Student[] student){
+        this.students = student;
+    }
+
+    public Classroom() {
+        this.students =  new Student[30];
+    }
+
+    public Student[] getStudents(){
+        return students;
+    }
+
+    public double getAverageExamScore() {
+        double sum = 0.0;
+        for (Student student : students) {
+            sum += student.getAverageExamScore();
+        }
+        return sum / students.length;
+    }
+
+    public void addStudent(Student student) {
+        for (int i = 0; i < students.length; i++) {
+            if (students[i] == null) {
+                students[i] = student;
+            }
+        }
+    }
+
+    public Student[] removeStudent(String firstName, String lastName) {
+        List<Student> studentList =  new ArrayList<>(Arrays.asList(students));
+        for (Student student : students) { //each student in students array
+            if (student.getFirstName().equals(firstName) && student.getLastName().equals(lastName)) {
+                studentList.remove(student); //if names match then remove student
+            }
+                return studentList.toArray(new Student[studentList.size()]);
+        }
+        return new Student[studentLimit];
+    }
+
+    public Student[] getStudentsByScore() {
+    List<Student> studentList = new ArrayList<Student>(Arrays.asList(students));
+
+        Comparator<Student> examScore = Comparator.comparing(Student::getAverageExamScore);
+        Comparator<Student> studentName = Comparator.comparing(Student::getFullName);
+        return null;
+    }
+
+
+
+//    public getGradeBook() {
+//
+//    }
 }
+
+

src/main/java/io/zipcoder/Student.java

@@ -1,4 +1,74 @@
 package io.zipcoder;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+
 public class Student {
+    String firstName;
+    String lastName;
+    Double[] testScores;
+    ArrayList<Double> examScores;
+
+    public Student(String firstName,String lastName, Double[] testScores){
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.testScores = testScores;
+        this.examScores = new ArrayList<>(Arrays.asList(testScores));
+    }
+
+    public String getFirstName(){
+        return firstName;
+    }
+
+    public void setFirstName(String firstName){
+        this.firstName = firstName;
+    }
+
+    public String getLastName(){
+        return lastName;
+    }
+
+    public void setLastName(String lastName){
+        this.lastName = lastName;
+    }
+
+    public int getNumberOfExamsTaken() {
+            return examScores.size();
+    }
+
+    public String getFullName() {return firstName + " " + lastName;}
+
+    public String getExamScores() {
+        String score = "Exam Scores: \n";
+
+        for(int i =0; i < examScores.size(); i++) {
+            score += "\tExam " + (i + 1) +  " -> ";
+            score += examScores.get(i) + "\n";
+        }
+        return score;
+    }
+
+    public void addExamScore(double examScore) {
+        this.examScores.add(examScore);
+    }
+
+    public void setExamScore(int examNumber, double newScore){
+        examScores.set(examNumber, newScore);
+    }
+
+    public double getAverageExamScore() {
+        double average = 0.0;
+        for (int i = 0; i < examScores.size(); i++) {
+            average += examScores.get(i);
+
+        } return average / examScores.size();
+    }
+
+    @Override
+    public String toString(){
+        String nameScore = "Student Name: " + firstName + " " + lastName + "\n";
+        nameScore = nameScore +  "> Average Score: " + this.getAverageExamScore() + "\n";
+        nameScore = nameScore + "> " + this.getExamScores();
+        return nameScore;
+    }
 }

src/test/java/io/zipcoder/ClassroomTest.java

@@ -1,4 +1,41 @@
 package io.zipcoder;
 
+import org.junit.Assert;
+import org.junit.Test;
+
 public class ClassroomTest {
+    Double[] testScores = {70.0, 80.0, 90.0};
+    @Test
+    public void TestGetStudents() {
+        Student student = new Student("Rex","Casio", testScores);
+        Classroom classroom =  new Classroom();
+        classroom.addStudent(student);
+
+        Student actual = classroom.getStudents()[0];
+
+        Assert.assertEquals(student,actual);
+    }
+
+    @Test
+    public void TestRemoveStudents() {
+        Student student1 = new Student("Rex","Casio", testScores);
+        Student student2 = new Student("Rox","Casio", testScores);
+        Student student3 = new Student("Rosie","Casio", testScores);
+        Student student4 = new Student("Russell","Casio", testScores);
+        Classroom classroom =  new Classroom();
+
+        classroom.addStudent(student1);
+        classroom.addStudent(student2);
+        classroom.addStudent(student3);
+        classroom.addStudent(student4);
+        classroom.removeStudent("Rox", "Casio");
+        Student [] expected = {student2, student3, student4, null, null, null, null,
+                null, null, null, null, null, null, null, null, null, null, null,
+                null, null, null, null, null, null, null, null, null, null, null, null};
+
+        Student [] actual = classroom.getStudents();
+
+
+        Assert.assertArrayEquals(expected, actual);
+    }
 }

src/test/java/io/zipcoder/StudentTest.java

@@ -1,5 +1,93 @@
 package io.zipcoder;
 
+import org.junit.Assert;
+import org.junit.Test;
+
 public class StudentTest {
 
+    @Test
+    public void testGetFirstName() {
+        String firstName = "Rex";
+        String lastName = "Casio";
+        Double[] testScores = {70.0, 80.0, 90.0};
+
+        Student student = new Student(firstName,lastName,testScores);
+        //student.setFirstName();
+        String actual = student.getFirstName();
+
+        Assert.assertEquals(firstName, actual);
+    }
+
+    @Test
+    public void testGetLastName() {
+        String firstName = "Rex";
+        String lastName = "Casio";
+        Double[] examScores = {70.0, 80.0, 90.0};
+
+        Student student = new Student(firstName,lastName,examScores);
+        String actual = student.getLastName();
+
+        Assert.assertEquals(firstName, actual);
+    }
+
+    @Test
+    public void testGetFullName() {
+        String firstName = "Rex";
+        String lastName = "Casio";
+        Double[] examScores = {70.0, 80.0, 90.0};
+
+        Student student = new Student(firstName,lastName,examScores);
+        String expected = "Rex Casio";
+        String actual = student.getFirstName() + " " +student.getLastName();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void TestGetExamsScores() {
+        String firstName = "Rex";
+        String lastName = "Casio";
+        Double[] examScores = {70.0, 80.0, 90.0};
+
+        Student student = new Student(firstName,lastName,examScores);
+        String expected = "Exam Scores: \n" +
+                "\tExam 1 -> 70.0\n" +
+                "\tExam 2 -> 80.0\n" +
+                "\tExam 3 -> 90.0\n";
+        String actual = student.getExamScores();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void TestGetAverageExamScore() {
+        String firstName = "Rex";
+        String lastName = "Casio";
+        Double[] examScores = {70.0, 80.0, 90.0};
+
+        Student student = new Student(firstName, lastName, examScores);
+        Double expected = 80.0;
+        Double actual = student.getAverageExamScore();
+
+        Assert.assertEquals(expected, actual);
+
+    }
+
+    @Test
+    public void TestStringOverride() {
+        String firstName = "Rex";
+        String lastName = "Casio";
+        Double[] examScores = {70.0, 80.0, 90.0};
+
+        Student student = new Student(firstName, lastName, examScores);
+        String expected = "Student Name: Rex Casio\n" +
+                "> Average Score: 80.0\n" +
+                "> Exam Scores: \n" +
+                "\tExam 1 -> 70.0\n" +
+                "\tExam 2 -> 80.0\n" +
+                "\tExam 3 -> 90.0\n";
+        String actual = student.toString();
+
+        Assert.assertEquals(expected, actual);
+    }
 }